Features- Color: mainly clear & black frame. - Optical glass LCD protector for Nikon cameras. - Genuine FOTGA highly transparent optical glass camera LCD screen protector LCD panel. - Adopt ultra-thin optical glass & a special processing. - With highly transparent, hardness, durability and wear-proof properties. - Specially designed for Nikon D3100 cameras. - Provide anti-dust, anti-scratch, anti-dirt, anti-aging, and anti-strike protection for your camera. - Avoid the erosion of the sweat, oil and acid. - Effectively lengthen the life of your LCD screen. - Double side adhesive tape securely attaches the screen protector onto your original screen. - Easy and firm installment with no bubbles.Install- Open the package and take the protector out, then peel off the plastic protecting film. - Clear the LCD screen with a cloth and make sure there is no sweat, dust, and oil on it. - Peel off the sticker on the back of protector. - Keep your camera in a stable place, put the protector softly with two sides that is adjacent on the LCD screen. - Check if the protector and screen align. If not, you can adjust them by the side. - After confirmation, press the protector with even strength on the LCD screen. - Then clear the surface of the protector with a cloth.Disassemble- Insert a into the connecting part of the protector and the screen softly. - the around the sides of the protector and take apart the protector from the camera screen. - The peel the protector off softly, you can reuse it after cleaning.